Home / 449,621.92-674,235.78-168,942.16

Finding the Fourth Proportional to 449,621.92, 674,235.78 and 168,942.16

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Solution

The fourth proportional to 449,621.92, 674,235.78 and 168,942.16 is: 253,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,621.92 : 674,235.78 = 168,942.16 : x
  2. Step 2: Convert to fraction form
    449,621.92/674,235.78 = 168,942.16/x
  3. Step 3: Cross multiply
    449,621.92x = 674,235.78 × 168,942.16
  4. Step 4: Simplify right side
    449,621.92x = 113,906,849,022.49
  5. Step 5: Solve for x
    x = 113,906,849,022.49/449,621.92
  6. Step 6: Final answer
    x = 253,339.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.